60(x-0.5)=45(x+0.75)怎么算
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60(x-0.5)=45(x+0.75)怎么算
60(x-0.5)=45(x+0.75)怎么算
60(x-0.5)=45(x+0.75)怎么算
60x-30=45x+33.75
=60x-60*0.5=45x+45*0.75
60x-30=45x+33.75
15x=63.75
x=4.23
60(x-0.5)=45(x+0.75)怎么算
(4/x-5)+(x-3)/(12-x)=(x-45)/(x^2-17x+60)
90×(x-0.5)=60×(x+0.5) 90x-45=60x+30 90x-60x=30+45 30x=75 x=75÷30 x=2.5 中的45和30是怎么得来的?90×(x-0.5)=60×(x+0.5)90x-45=60x+3090x-60x=30+4530x=75x=75÷30x=2.5中的45和30是怎么得来的?
6.8+60%x=14 x+45%x=11.6 75%x-四分之一x=38
(x+40)/60-x/40=1+0.5,x=?
0.2x=0.5x-60++x是多少
(45% x + 15) / x = 60% x怎么解
x/45+x/90-x/60=1 解方程
45X(x+1)=60X 怎么解
0.5x=0.75(1000-x)
0.5x-6=0.75x
0.75x+0.5x=2.25
百分数的方程计算题x-40%x=3.6 25%x-16=24 30%x+90=117 x-20%x=28 60%+4x=27.6 14%x-9.1=0.7 35%x+x=13.5 x-75%x=0.5 x-45%
x/45=(x+30)/60+1 x=270x/45=(x+30)/60+1x=270
45x+15=60x-60
45x-15=60x-60
45(X+0.5)=50(X-0.
40*(x-0.5)+60x=150